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Drawing of 6904 / 61904 ZZ: ⌀20 × ⌀37 × 9 mm6904 / 61904 ZZZZ
Fig. 1: 6904 / 61904 ZZ, end view and section; rolling element geometry per the NSK catalogue. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 6904 / 61904 ZZ

Load: radial medium; axial low, on both sidesDeep groove ball

Bearing CT 6904 / 61904 ZZ

€0.49per piece
In stock: 6,851 pcs
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Specifications

Manufacturer number
ISO designation
Equivalents
4 exact, 17 approximate
d
20 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
37 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
9 mm
Width BRing width. Source: two supplier sources
Seal
ZZshields, both sides
Clearance
normal clearance
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Equivalents

the same size 20 × 37 × 9 from other brands

21 products
Series illustration (not a photo of this item): 6904 / 61904 ZZ
You are viewingCT 6904 / 61904 ZZ
€0.49baseline for the price comparison

Everything the number specifies matches: series 619, 20 × 37 × 9 mm, metal shields on both sides, normal clearance, ordinary steel, design without special letters. The codes in the number are read against the CT catalogue.

  • Series illustration (not a photo of this item): 6904 / 61904 ZZ6904 / 61904 ZZThis bearingCT20 × 37 × 96,851 pcs€0.49you are here
  • Series illustration (not a photo of this item): 6904 ZZ6904 ZZCT20 × 37 × 9available to order€0.46−€0.03Request a quote
  • Series illustration (not a photo of this item): 6904 ZZ6904 ZZKG20 × 37 × 9available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 6904 ZZE6904 ZZENACHI20 × 37 × 9available to orderon requestRequest a quote

Under the price: the difference from the price of this bearing (€0.49).
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Details

what this bearing is, questions

About the bearing

D 37d 20B 9
d×D×Bsize 20 × 37 × 9mm

Deep groove ball bearing 61904-ZZ, design ZZ: metal shields on both sides.

Frequently asked questions

How does 2RS differ from ZZ?

2RS has rubber seals that touch the inner ring and keep out dust and water better, which is the usual choice for field machinery. ZZ has metal shields that do not touch, allow higher speeds, and protect against dirt less well.

Will 61904 ZZ C3 fit instead?

Same size, clearance greater than normal. C3 is used where the bearing runs hot or sits on the shaft with an interference fit. If the old bearing is not marked C3, take this one.

Can I fit another brand instead of this bearing?

Without checking, only an exact equivalent: the size, seal, clearance and design match according to the brand’s catalogue. Positions with the same geometry differ in seal, clearance or design, and each one says so in the equivalents block. Load ratings differ between manufacturers, so for a heavily loaded unit compare C.

How do I get a price and a lead time?

Press “Request a quote” and send the part number and quantity. We reply with the price, availability and delivery terms for your country.

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